I am writing this on an X230 with Ubuntu 18.04, and it's great! It handles everything really well, ROS has been written quite efficiently. As a starter piece of hardware, it will be great. I got mine for around $200 AUD. I would HIGHLY recommend getting a larger battery pack though; as cat_in_box mentions, the battery life isn't great. Something like the following from eBay Australia. I am writing this on an X230 with Ubuntu 18.04, and it's great! It handles everything really well, ROS has been written quite efficiently. As a starter piece of hardware, it will be great. I got mine for around$200 AUD.